package Demo2;

public class keyBoard implements USB{


    @Override
    public void openDevice() {
        System.out.println("打开键盘。。。");
    }

    @Override
    public void closeDevice() {
        System.out.println("关闭键盘。。。");
    }
    public void input(){
        System.out.println("键盘输入。。。");
    }
}
